20803818 is an even 8-digits composite number following 20803817
and preceding 20803819 . In scientific notation, it is written as 2.0803818 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5594112 positive integers (up to 20803818) that are relatively prime to 20803818.
20803818 has 32 divisors, whose sum is 50350464
The reverse of 20803818 is 81830802
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred three thousand eight hundred eighteen
Scientific notation
2.0803818 × 10^7
Engineering notation
2.0803818 × 10^6
Prime Factorization
2 × 3 × 7 × 17 × 29137
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20803818
Product of the distinct prime numbers
The prime factorization of 20803818 is 2 × 3 × 7 × 17 × 29137.
Since it has a total of 5 prime factors.
6 , 4 , 58 , 50 , 691 , 218 , 5750 , 8171 , 33034 , 39863 , 397291 , 378172 , 6082392 , 7431098 , 31090998 , 69434247 , 421439877 , 33145783 , 7729698540 , 6407770043
n×2
41607636
n×3
62411454
n×4
83215272
n×5
104019090
n÷2
10401909
n÷3
6934606
n÷3
5200954.5
n÷5
4160763.6
n2
432798843377124
n3
9.0038683682282E+21
n4
1.8731483882858E+29
n5
3.896863815689E+36
2 √n
4561.1202571298
3 √n
275.03059934989
4 √n
67.536066343324
5 √n
29.082290560078
1 , 2 , 3 , 6 , 7 , 14 , 17 , 21 , 34 , 42 , 51 , 102 , 119 , 238 , 357 , 714 , 29137 , 58274 , 87411 , 174822 , 203959 , 407918 , 495329 , 611877 , 990658 , 1223754 , 1485987 , 2971974 , 3467303 , 6934606 , 10401909 , 20803818
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20803817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20803818 can be divided by 32 positive divisors.
The sum of these divisors (counting 20803818) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010111000011101010
3
Ternary
1110010221110210
4
Quaternary
1033113003222
5
Quinary
20311210233
6
Senary
2021521550
8
Octal
117270352
10
Decimal
20803818
12
Duodecimal
6b732b6
16
Hexadecimal
13d70ea
20
Vigesimal
6a09ai
36
Base36
cdwbu
md5
024c5fbe0c6bbbff708f99305e69be55
sha1
a9c6bf9d76457fdf92b3ccd32cf056b03fa88b9e
sha256
ab306986d4e7559974262e0224ee8c634ed07a3bb8587367ab99011d91d32154
sha512
c60da9fef95a1221d95a13433d9c75809522284d8c25eb0f5cbdd9f95becbf8e8db054bddf376553c84c989fbaa0762ab923ba4a78e880f0f7efe48b1b114f22
ripemd-160
ce6388d40821c4e396fe3940c09883aafbf755af
Diameter
41607636
Circumference
130714243.59084
Area
1.3596776668357E+15
Volume
3.771531562602E+22
Surface area
5.4387106673429E+15
Circumference
130714243.59084
Perimeter
83215272
Area
432798843377124
Diagonal
29421041.564742
Surface area
2596793060262744
Volume
9.0038683682282E+21
Space diagonal
36033269.767416
Perimeter
62411454
Area
1.8740739654656E+14
Altitude
18016634.883708
Surface area
1.8740739654656E+14
Volume
1.0611160633475E+21
Height
9807013.8549138